Minnesota Department of Transportation

511 Travel Info

Approved/Qualified Products

Delineation Devices – Permanent

Barrier Delineators

The delineators shall be installed using adhesive only installation methods (drilling, hammering, or other installation methods that puncture the barrier’s surface are not allowed). 

The retroreflective elements of the delineator shall be at least 3 inches by 3 inches.

The delineators shall use an Approved Type XI sheeting material.  Type XI approved sheeting can be found on the Sheeting materials Approved Product List.

Product Manufacturer Approval Date
Flex-D Barrier Mounted Delineator American Molded Plastic, Inc. 7/8/2009
FT-1 Artuk, Inc. 1/6/2011
Barrier Traffic Reflector Irwin Hodson Company 9/24/13
PCBM Barrier Marker - various sizes Pexco LLC, Davidson Traffic Control Products
8/31/2009
PCBM-T20 Barrier Marker Pexco LLC, Davidson Traffic Control Products
4/22/2004
BAM Highway Barrier Delineator Plastic Safety Systems 5/1/2005

Steel I-Beam Post Delineators

The delineators shall be installed using adhesive only installation methods (drilling, hammering, or other installation methods that puncture the post’s surface are not allowed). 

The retroreflective elements of the delineator shall be at least 3 inches by 3 inches.

The delineators shall use an Approved Type XI sheeting material.  Type XI approved sheeting can be found on the Sheeting materials Approved Product List.

Product Manufacturer Approval Date
Flex DS Steel Post Mounted Delineator American Molded Plastic, Inc. 7/8/2009
FR-1 Artuk, Inc. 1/6/2001
I-Flex-18 Guardrail Marker Pexco LLC, Davidson Traffic Control Products
4/22/2004

Linear Delineation Panels

Product Manufacturer Approval Date
3M™ Diamond Grade™ Linear Delineation System Series 340 - various sizes available in White or FL Yellow 3M Corporation 2/8/2010

Tubular Markers